نتایج جستجو برای: blood cell morphology
تعداد نتایج: 2321647 فیلتر نتایج به سال:
سلول های اندوتلیال عروقی تحت تاثیر نیروهای مکانیکی حاصل از فشار و جریان خون هستند. آسیب سلولی می تواند باعث تغییر در عملکرد بیولوژیکی سلول های اندوتلیال و در نتیجه عوارض بالینی همانند آترواسکلروسیس گردد. محیط مکانیکی سلول های اندوتلیال عبارتنر از: تنش محیطی ناشی از فشار میانگین خون، کرنش سیکلی محیطی بر اثر پالس فشار خون و تنش برشی حاصل از جریان خون. سلول های اندوتلیال با مکانیزم های انطباقی و ب...
Background and Aim: Several reports have been published on the successful application of various bone substitute materials (BSM). Appropriate physiologic and histologic characteristics and reactions of these materials against host cells are critically important. In this study, the biocompatibility of a new bone substitute material has been evaluated. Methods and Materials: In this experime...
It is the usual practice to bleed donors and store their blood for transfusion purposes. Theaim of this work evaluate depletion serum iron levels in stored blood. Onehundred samples were collected from at University Benin Teachinghospital analyzed levels, hemoglobin concentration, packed cell volume andblood morphology using standard methods day 0 (controls) 15 30.The mean ?SEM iron, 17.7 ? 1.0...
introduction: during the last 3 decades, human is exposed to extremely low frequency electromagnetic fields (elf-emf) emitted by power lines and electronic devices. it is now well accepted that elf-emf are able to produce a variety of biological effects, although the molecular mechanism is unclear and controversial. investigation of different intensities effects of 50 hz elf-emf on cell morphol...
INTRODUCTION Glaucoma is the 2nd most common cause of vision loss worldwide [1]. Nearly 80 million people are projected to have glaucoma by the year 2020, and there is currently no cure [2]. Glaucoma is characterized by optic neuropathy, which is damage to the optic nerve, and causes gradual loss of sight. Recent evidence suggests that blow flow regulation and perfusion in the eye may play a ro...
Blood contains three major cell types. Scanning electron microscopy (SEM) is an ideal method for visualizing cellular detail not otherwise obtainable by light microscopy and requires no special training to interpret micrographs. However, careful sampling and dehydration techniques are required in order to obtain undistorted cells representative of the living forms. Depending on the cell type, d...
background: it is not clear whether the use of volumetric peristaltic infusion pumps, affect the quality of the erythrocytes during packed cell transfusion or not. in the present study in vitro quality of red blood cells was assessed after using this type of infusion pumps in a prospective study. materials and methods: in this study 60 units of packed red cells were examined before and after pa...
Introduction: Morphologically abnormal blood cells in peripheral of a person reflect underlying pathological condition affecting formation, function, and lifespan these cells. A properly identified morphological defect is important to manage anemia, leukemia other disorders blood. This study aimed assess magnitude severity abnormality patients with complete count public hospitals found southern...
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